> ## Documentation Index
> Fetch the complete documentation index at: https://api-docs.nexbridge.finance/llms.txt
> Use this file to discover all available pages before exploring further.

# Intro

# Nexbridge Partner API

Welcome to the Nexbridge Partner API documentation.

This API enables approved partners to programmatically interact with subscription and redemption flows between:

```text theme={null}
USDT ↔ USTBL
```

on Liquid Network.

***

# Documentation Structure

## Getting Started

Core integration concepts and operational behavior.

Includes:

* Authentication
* Supported assets and networks
* Address management
* Quotes
* Requests
* Funding lifecycle
* Balances
* Error handling
* Operational rules

***

# Supported Flows

## Subscription

```text theme={null}
USDT → USTBL
```

***

## Redemption

```text theme={null}
USTBL → USDT
```

***

# Key Characteristics

* Executable quote model
* Partial funding support
* Funding lifecycle visibility
* Approved address model
* Partner-scoped authentication
* Asynchronous settlement lifecycle

***

# V1 Scope

The current version supports:

* Liquid Network
* USDT
* USTBL
* Subscription flows
* Redemption flows
* Partner operational visibility

***

# API Reference

Detailed endpoint specifications will be available in the API Reference section.

This includes:

* request schemas
* response schemas
* authentication examples
* operational payloads
* error responses

***

# Operational Model

The Partner API abstracts internal operational infrastructure and exposes a simplified integration interface for partners.

Internal treasury, custody, settlement routing, and matching logic are intentionally excluded from this documentation.
